Lees, JP; Poireau, V; Tisserand, V; Garra Tico, J; Grauges, E; Palano, A; et al.(2014). Study of the reaction e+e-→ψ (2S)π+π-via initial-state radiation at B a B ar. Physical Review D-Particles, Fields, Gravitation and Cosmology, 89(11). doi: 10.1103/PhysRevD.89.111103. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/8494f940